11 Barndicott, Welwyn Garden City, AL7 2BA

11 Barndicott is a two-bedroom detached house in Welwyn Garden City (AL7 2BA). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to 1967-1975 and council tax band C. At 74 m² this is the 2nd smallest of 7 units on EPC record in the building, where floor areas span 71–106 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (September 2019) shows a C (score 74). The rating has held steady at C across 2 certificates since September 2009. Between certificates, hot-water efficiency went from Average to Good and lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Average.

Held since June 2006 — that's 20 years off the open market, well above the local norm. Sale prices here have outpaced England HPI: 8.3% per year against 0% for the wider region. Today's modelled estimate of £242,000 sits 61.3% above the 2006 sale of £150,000. At 74 m² it's 26% smaller than the typical home in the postcode (100 m² median across 6 EPCs).